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Finding the Fourth Proportional to 88,438, 122,044.56 and 48,694

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Solution

The fourth proportional to 88,438, 122,044.56 and 48,694 is: 67,197.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,438 : 122,044.56 = 48,694 : x
  2. Step 2: Convert to fraction form
    88,438/122,044.56 = 48,694/x
  3. Step 3: Cross multiply
    88,438x = 122,044.56 × 48,694
  4. Step 4: Simplify right side
    88,438x = 5,942,837,804.64
  5. Step 5: Solve for x
    x = 5,942,837,804.64/88,438
  6. Step 6: Final answer
    x = 67,197.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.